@Test public void startWithExecutorTest() { PrioritySchedulerStatisticTracker e = new PrioritySchedulerStatisticTracker(1); try { assertEquals(0, e.getActiveTaskCount()); profiler.start(e); assertTrue(profiler.isRunning()); assertEquals(1, e.getActiveTaskCount()); blockForProfilerSample(); } finally { profiler.stop(); e.shutdownNow(); } }